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Chronic pulmonary embolism

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https://www.readbyqxmd.com/read/29240058/-venous-thromboembolic-complications-in-patients-with-cardiovascular-implantable-electronic-devices
#1
R E Kalinin, I A Suchkov, I I Shitov, N D Mzhavanadze, V O Povarov
The problem of venous thromboembolic complications (VTECs) in patients with cardiovascular implantable electronic devices (CIEDs) is extremely important today because of an annually increasing number of surgical interventions for life-threatening arrhythmias and chronic heart failure. There are hitherto no clearly defined reliable risk factors for VTECs due to heterogeneity of the available literature data. Some sources point to elevated thrombus formation in patients with a large number of electrodes, in repeat operative interventions, in the presence of a temporary pacemaker, in implantation on the left side, silicon cover of an electrode, others refute these facts...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29232215/pulmonary-tumor-thrombotic-microangiopathy-case-report-and-review-of-literature
#2
Josh Curtis Hutchinson, James W Fulcher, Jeff Hanna, Michael E Ward
Pulmonary tumor thrombotic microangiopathy (PTTM) is a rare rapidly progressive fatal disease that is difficult to diagnosis antemortem. Activation of the coagulation cascade and fibrocellular intimal thickening caused by embolism of tumor cells into pulmonary vasculature leads to extensive pulmonary hypertension and eventually death. We describe a case of PTTM with association of a presumed lung adenocarcinoma primary. Although rare in nature, PTTM should be a considered diagnosis with chronic dyspnea of unknown origin, severe pulmonary hypertension coupled with right-side heart failure, in the absence of pulmonary embolism...
December 11, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29203438/risk-of-venous-thromboembolism-in-patients-with-mycosis-fungoides-and-parapsoriasis-a-danish-nationwide-population-based-cohort-study
#3
Lise M Lindahl, Morten Schmidt, Dora K Farkas, Henrik T Sørensen, Lars Iversen
BACKGROUND: Mycosis fungoides (MF) and parapsoriasis are characterized by malignant proliferation and chronic inflammation, which may impact the risk of venous thromboembolism (VTE). OBJECTIVES: To examine the risk of VTE in patients with MF and parapsoriasis. METHODS: We conducted a nationwide population-based cohort study in Denmark to examine the relative risk (RR) of VTE in 525 patients with MF and 634 patients with parapsoriasis compared with sex- and age-matched controls from the general population...
December 1, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29178987/time-to-threshold-as-a-new-indicator-of-circulatory-state-and-prognosis-in-patients-with-pulmonary-embolism
#4
Andreas Gunter Bach, Bettina-Maria Taute, Alexey Surov
BACKGROUND: Bolus tracking is commonly applied in computed tomography pulmonary angiography. The time that it takes for contrast to reach a predefined threshold in the pulmonary artery is called time to threshold (TTT). TTT could be associated with the circulatory state, and ultimately with prognosis in patients with PE. AIM: The purpose of the present study was to examine the correlation of TTT with embolus burden, radiological and clinical parameters of circulatory state, and ultimately with 30-day mortality...
November 16, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29171651/pulmonary-embolism-occurring-in-a-patient-treated-with-spinal-cord-stimulation
#5
Tülin Arıcı, Mustafa Kurçaloğlu, Meltem Uyar, Can Eyigör
Spinal cord stimulation (SCS) has been shown to be an effective method for treating many chronic pain syndromes. In addition, providing pain relief with SCS can reduce immobilization and complications related to immobilization. The present case describes pulmonary embolism (PE) that occurred in patient being treated with SCS for post-laminectomy syndrome. The possibility of PE must be kept in mind while treating patients with SCS.
October 2017: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
https://www.readbyqxmd.com/read/29167118/exercise-facilitates-early-recognition-of-cardiac-and-vascular-remodeling-in-chronic-thrombo-embolic-pulmonary-hypertension-in-a-novel-cteph-swine-model
#6
Kelly Stam, Richard W B van Duin, Andre Uitterdijk, Zongye Cai, Dirk J Duncker, Daphne Merkus
Chronic thrombo-embolic pulmonary hypertension (CTEPH) develops in 4% of patients after pulmonary embolism and is accompanied by an impaired exercise tolerance, which is ascribed to the increased right ventricular (RV) afterload and a ventilation/perfusion (V/Q) mismatch in the lungs. This study investigated changes in arterial PO2 and hemodynamics in response to graded treadmill exercise during development and progression of CTEPH in a swine model. Swine were chronically instrumented and received multiple pulmonary embolisms by (i) microsphere infusion (Spheres) over five weeks, (ii) endothelial dysfunction by administration of eNOS inhibitor L-N(ω)-Nitroarginine methyl ester (LNAME) during seven weeks, (iii) combined pulmonary embolisms and endothelial dysfunction (LNAME+Spheres), or (iv) served as sham-operated controls (Sham)...
November 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29157517/balloon-pulmonary-angioplasty-for-chronic-thromboembolic-pulmonary-hypertension
#7
REVIEW
Ehtisham Mahmud, Omid Behnamfar, Lawrence Ang, Mitul P Patel, David Poch, Nick H Kim
Chronic thromboembolic pulmonary hypertension (CTEPH) is associated with several risk factors but is most frequently seen as a rare consequence of an acute pulmonary embolism. Surgical pulmonary thromboendarterectomy (PTE) is potentially curative for CTEPH with the best outcomes seen for the treatment of primarily proximal, accessible lobar or segmental disease. For surgically inoperable patients, percutaneous balloon pulmonary angioplasty (BPA) is feasible and has good short- to mid-term efficacy outcomes...
January 2018: Interventional cardiology clinics
https://www.readbyqxmd.com/read/29143501/-the-place-of-balloon-pulmonary-angioplasty-in-the-management-of-chronic-thromboembolic-pulmonary-hypertension
#8
Aileen Kharat, Béatrice Duxbury, Anne-Lise Hachull, Stéphane Noble, Hélène Bouvaist, Paola M Soccal, Frédéric Lador
Chronic thromboembolic pulmonary hypertension (CTEPH) is uncommon. Its diagnosis should not be delayed as its prognosis is poor if not treated. In most cases, an acute pulmonary embolism is found in the medical history of the patient. Once suspected, a specific work-up should be performed in a pulmonary hypertension (PH) center. The ventilation/perfusion scan has a central role in this workup but the emergence of non invasive imaging technologies provides morphological and functional information which take part in the therapeutic decision making, such as operability...
November 15, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29135365/deep-learning-to-classify-radiology-free-text-reports
#9
Matthew C Chen, Robyn L Ball, Lingyao Yang, Nathaniel Moradzadeh, Brian E Chapman, David B Larson, Curtis P Langlotz, Timothy J Amrhein, Matthew P Lungren
Purpose To evaluate the performance of a deep learning convolutional neural network (CNN) model compared with a traditional natural language processing (NLP) model in extracting pulmonary embolism (PE) findings from thoracic computed tomography (CT) reports from two institutions. Materials and Methods Contrast material-enhanced CT examinations of the chest performed between January 1, 1998, and January 1, 2016, were selected. Annotations by two human radiologists were made for three categories: the presence, chronicity, and location of PE...
November 13, 2017: Radiology
https://www.readbyqxmd.com/read/29123934/symptomatic-patent-foramen-ovale-with-hemidiaphragm-paralysis
#10
Hussain Ibrahim, Adnan Khan, Shawn P Nishi, Ken Fujise, Syed Gilani
Dyspnea accounts for more than one-fourth of the hospital admissions from Emergency Department. Chronic conditions such as Chronic Obstructive Pulmonary Disease, Congestive Heart Failure, and Asthma are being common etiologies. Less common etiologies include conditions such as valvular heart disease, pulmonary embolism, and right-to-left shunt (RLS) from patent foramen ovale (PFO). PFO is present in estimated 20-30% of the population, mostly a benign condition. RLS via PFO usually occurs when right atrium pressure exceeds left atrium pressure...
2017: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/29112185/monocyte-to-large-platelet-ratio-as-a-diagnostic-tool-of-pulmonary-embolism-in-patients-with-acute-exacerbation-of-copd-pilot-study
#11
Adam J Białas, Kamil Kornicki, Maciej Ciebiada, Adam Antczak, Przemysław Sitarek, Joanna Miłkowska-Dymanowska, Wojciech J Piotrowski, Paweł Górski
INTRODUTION    Higher prevalence of pulmonary embolism (PE) has been noted among patients with chronic obstructive pulmonary disease (COPD), which may particularly occur during acute exacerbations (AECOPD). Due to similar clinical presentation, and the lack of highly-specific laboratory tests, there is a common overuse of computed tomography pulmonary angiogram (CTPA). The introduction of an additional, simple and inexpensive diagnostic tool to help in the diagnosis of PE in patients with AECOPD would be of special interest for everyday clinical practice...
November 7, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/29107971/sex-differences-in-the-characteristics-and-short-term-prognosis-of-patients-presenting-with-acute-symptomatic-pulmonary-embolism
#12
Deisy Barrios, Raquel Morillo, Ina Guerassimova, Esther Barbero, Héctor Escobar-Morreale, Alexander T Cohen, Cecilia Becattini, Victor Tapson, Roger Yusen, David Jimenez
BACKGROUND: We sought to examine sex-related differences in the characteristics and outcome in patients presenting with acute symptomatic pulmonary embolism (PE). METHODS: We conducted a retrospective cohort study of 2,096 patients diagnosed with acute PE. The characteristics were recorded at presentation. Treatment was at the discretion of patients' physicians. The primary study outcome, all-cause mortality, and the secondary outcomes of PE-specific mortality, recurrent venous thromboembolism, and major bleeding were assessed during the first month of follow-up after PE diagnosis...
2017: PloS One
https://www.readbyqxmd.com/read/29106537/symptomatic-atrial-fibrillation-and-risk-of-cardiovascular-events-data-from-the-euro-heart-survey
#13
Federico Guerra, Michela Brambatti, Robby Nieuwlaat, Maura Marcucci, Elton Dudink, Harry J G M Crijns, Maria Vittoria Matassini, Alessandro Capucci
Aims: Atrial fibrillation (AF) is associated with a wide range of clinical presentations. Whether and how AF symptoms can affect prognosis is still unclear. Aims of the present analysis were to investigate potential predictors of symptomatic AF and to determine if symptoms are associated with higher incidence of cardiovascular (CV) events at 1-year follow-up. Methods and results: The Euro Heart Survey on Atrial Fibrillation included 3607 consecutive patients with documented AF and available follow-up regarding symptoms status...
June 30, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29097743/clinical-symptoms-and-related-risk-factors-in-pulmonary-embolism-patients-and-cluster-analysis-based-on-these-symptoms
#14
Qiao-Ying Ji, Mao-Feng Wang, Cai-Min Su, Qiong-Fang Yang, Lan-Fang Feng, Lan-Yan Zhao, Shuang-Yan Fang, Fen-Hua Zhao, Wei-Min Li
Pulmonary embolism (PE) remains largely underdiagnosed due to nonspecific symptoms. This study aims to evaluate typical symptoms of PE patients, their related predictors, and to differentiate typical clusters of patients and principal components of PE symptoms. Clinical data from a total of 551 PE patients between January 2012 and April 2016 were retrospectively reviewed. PE was diagnosed according to the European Society of Cardiology Guidelines. Logistic regression models, system clustering method, and principal component analysis were used to identify potential risk factors, different clusters of the patients, and principal components of PE symptoms...
November 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29078111/markers-of-coagulation-activation-inflammation-and-fibrinolysis-as-predictors-of-poor-outcomes-after-pediatric-venous-thromboembolism-a-systematic-review-and-meta-analysis
#15
REVIEW
Ayesha Zia, Joy Russell, Ravi Sarode, Surendranath R Veeram, Shellie Josephs, Kendra Malone, Song Zhang, Janna Journeycake
BACKGROUND: Sequelae of venous thromboembolism (VTE) in children include recurrence, development of post thrombotic syndrome (PTS) when venous return from a limb is affected and chronic thromboembolic pulmonary hypertension (CTEPH) after pulmonary embolism. Identification of laboratory-based risk factors may be useful for individualized risk assessment for VTE sequelae. Coagulation activation and inflammation may contribute to their pathophysiology. We performed a systematic review to investigate the association between biomarkers of coagulation activation, inflammation and fibrinolysis and adverse VTE outcomes in children and young adults...
October 7, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29076888/role-of-perfusion-defects-at-follow-up-lung-scan-in-predicting-recurrences-after-a-first-episode-of-symptomatic-pulmonary-embolism-a-retrospective-analysis
#16
Liliana Villari, Roberta Pancani, Ferruccio Aquilini, Letizia Marconi, Laura Carrozzi, Antonio Palla, Alessandro Celi
The optimal duration of anticoagulant therapy after a first episode of unprovoked pulmonary thromboembolism is not fully defined. The identification of patients more prone to recurrence would be useful in this context but is currently relatively unreliable. Perfusion lung scan (PLS) is an established approach for the follow-up of patients with pulmonary embolism to identify recurrences and to help in the diagnosis of chronic thromboembolic pulmonary hypertension. The aim of the study was to investigate the potential role of residual perfusion defects at follow-up perfusion scans in predicting pulmonary embolism recurrences...
October 25, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29073366/catheter-directed-thrombolysis-for-intermediate-risk-pulmonary-embolism
#17
David Furfaro, R Scott Stephens, Michael B Streiff, Roy Brower
Intermediate risk pulmonary embolism is common and carries a risk of progression to hemodynamic collapse and death. Catheter directed thrombolysis is an increasingly utilized treatment option, based largely on the assumptions that it is more efficacious than anticoagulation alone, and safer than systemic thrombolysis. In this review, we critically analyze the published data regarding catheter directed thrombolysis for the treatment of intermediate risk pulmonary embolism. Catheter directed thrombolysis reduces right heart strain and lowers pulmonary artery pressures more quickly than anticoagulation alone...
October 26, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29058996/successful-use-of-extracorporeal-membrane-oxygenation-in-a-child-with-obstructive-shock-due-to-massive-bilateral-pulmonary-embolism
#18
Aditya Badheka, Pradeep Bangalore Prakash, Veerajalandhar Allareddy
BACKGROUND: Acute massive pulmonary embolism (PE) is a very rare condition in children. We report the successful use of veno-arterial extracorporeal membrane oxygenation (VA ECMO) as a lifesaving modality in a child with acute massive PE. CASE PRESENTATION: A nine-year-old female with spinal muscular atrophy type 1, chronic respiratory failure with tracheostomy and ventilator dependence presented with tachypnea and hypoxia. She had recent coiling of her pulmonary arterio-venous malformation...
October 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29055626/pulmonary-arterial-hypertension-with-abnormal-v-q-single-photon-emission-computed-tomography
#19
Kenneth Chan, Stefanos Ioannidis, John G Coghlan, Margaret Hall, Benjamin E Schreiber
OBJECTIVES: This study aimed to evaluate the incidence and clinical outcomes of abnormal ventilation/perfusion (V/Q) single-photon emission computed tomography (SPECT) without thromboembolism, especially in patients with group I pulmonary arterial hypertension (PAH). BACKGROUND: American Heart Association/American College of Cardiology and European Society of Cardiology guidelines recommend V/Q scan for screening for chronic thromboembolic pulmonary hypertension...
October 16, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29050128/-lung-transplantation-for-connective-tissue-disease-associated-interstitial-lung-disease-recipient
#20
J Zhang, B Wu, M Zhou, D Liu, L Fan, D Wei, H Yang, J Y Chen
Objective: To investigate the timing and complications of lung transplantation for the treatment of connective tissue disease-associated interstitial lung disease (CTD-ILD). Method: The clinical data of connective tissue-associated disease lung transplantation recipients from September, 2015 to February, 2017 were collected. Results: 11 patients with CTD-ILD were evaluated by lung transplantation and were treated with lung transplantation. Including 2 cases dermatomyositis/polymyositis and interstitial lung disease (PM/DM-ILD), 4 cases rheumatoid arthritis and interstitial lung disease (RA-ILD), 4 cases of primary Sjgren's syndrome and interstitial lung disease (pSS-ILD), 1 case of systemic sclerosis and interstitial lung disease (SSc-ILD)...
October 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
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